The Beatles Sgt Peppers Lonely Hearts Club Band album which has been declared the world's most valuable record cover (Pic: PA)A STUDY today has named the world’s most expensive record sleeves – with The Beatles taking 5 of the top 10 spots.The list, compiled for Record Collector magazine, values albums by the collectability of their sleeves. It found vinyl releases by the Fab Four dominating the top 5 at positions 1, 2, 4 and 5.